import React from 'react';

interface AppProps {}

const App: React.FC<AppProps> = (props) => {
  const arr=[2,1,4,3]
  let brr=arr.sort()
  console.log(brr);
  
  return (
    <>
    排序前：2143
    <br />
      排序后：{
        
        brr
      }
    </>
  );
};

export default App;
